Well, I went to go buy some spark plugs yesterday because I need to get them changed and I bought some NGK Iridium IX, part number BKR5EIX-11, I noticed that in the part list it was BKR6EIX, is the 6 the heat? Because phase2 only gives the option of 7, 8 or 9. So does this mean I have to go return them and get some 7 heats? My SR is pretty stock for the most part. So I'd be using the 7 heat.
Anythin?
NGK Iridium IX, Correct Choice?
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vocationalzero
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Re: NGK Iridium IX, Correct Choice? (lightsource)
yes, the 6 is the heat code
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lightsource
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Re: NGK Iridium IX, Correct Choice? (vocationalzero)
Are they the correct ones?vocationalzero wrote:yes, the 6 is the heat code
Re: NGK Iridium IX, Correct Choice? (lightsource)
The stock plugs are Platinum, however you can go with the iridium version as a replacement with no problem. The correct stock iridium plug is an NGK BKR6EIX, if you get them for a 1995 Toyota MR2 with a 3SGTE motor they have the correct .032" gap from the factory. You are not supossed to regap iriduim plugs from what I have been told, also the heat range is reversed on NGK plugs so if you change the 6 to a 7 you have a one step colder plug. Also AFAIK the -11 on the plugs you were talking i believe means that they have a larger gap 1.1mm, you dont want the -11 plugs.